<?php
/*
 * 	Yamp52 - Yet Another Magical PHP framework
 *	http://code.google.com/p/yamp52/
 *	
 *	Copyright (C) 2009, Krzysztof Drezewski <krzych@krzych.eu>
 *	
 *	This program is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 3 of the License, or
 *	(at your option) any later version.
 *	
 *	This program is distributed in the hope that it will be useful,
 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *	GNU General Public License for more details.
 *	
 *	You should have received a copy of the GNU General Public License
 *	along with this program. If not, see <http://www.gnu.org/licenses/>.
 */


class Cache {

	public static function save($variable, $value) {

		if(self::checkForApc())
			apc_add($variable, $value);
	}

	public static function is_set($variable) {
		if(self::checkForApc() && self::get($variable)) {
			return true;
		}
		return false;
	}

	public static function get($variable) {
		if(self::checkForApc())
			return apc_fetch($variable);
	}

	public static function remove($variable) {
		if(self::checkForApc())
			return apc_delete($variable);
	}
	
	private static function checkForApc() {
		if(function_exists('apc_fetch')) {
			return true;
		}
		return false;
	}

}